diff options
| author | Haicheng Li | 2010-05-19 11:42:14 +0200 |
|---|---|---|
| committer | H. Peter Anvin | 2010-08-26 23:02:29 +0200 |
| commit | 6afb5157b9eba4092e2f0f54d24a3806409bdde5 (patch) | |
| tree | 5d213ef0366441af288b3a293557df09cb45cdca /arch/x86/include/asm/pgtable_64.h | |
| parent | x86, mm: Avoid unnecessary TLB flush (diff) | |
| download | kernel-qcow2-linux-6afb5157b9eba4092e2f0f54d24a3806409bdde5.tar.gz kernel-qcow2-linux-6afb5157b9eba4092e2f0f54d24a3806409bdde5.tar.xz kernel-qcow2-linux-6afb5157b9eba4092e2f0f54d24a3806409bdde5.zip | |
x86, mm: Separate x86_64 vmalloc_sync_all() into separate functions
No behavior change.
Move some of vmalloc_sync_all() code into a new function
sync_global_pgds() that will be useful for memory hotplug.
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
LKML-Reference: <4C6E4ECD.1090607@linux.intel.com>
Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/pgtable_64.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable_64.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 076052cd62be..f96ac9bedf75 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -102,6 +102,8 @@ static inline void native_pgd_clear(pgd_t *pgd) native_set_pgd(pgd, native_make_pgd(0)); } +extern void sync_global_pgds(unsigned long start, unsigned long end); + /* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. |